/Engine/Source/Runtime/Engine/Public/Elements/Framework/TypedElementCommonActions.h
Internally this just calls DeleteNormalizedElements on the result ofUTypedElementSelectionSet::GetNormalizedSelection.
bool DeleteSelectedElements ( [UTypedElementSelectionSet](API\Runtime\TypedElementRuntime\Elements\Framework\UTypedElementSelectionSet) * SelectionSet, [UWorld](API\Runtime\Engine\Engine\UWorld) * World, const [FTypedElementDeletionOptions](API\Runtime\Engine\Elements\Interfaces\FTypedElementDeletionOptions) & DeletionOptions )